Answer: where are the words
Explanation:

are<u> </u><u>singing</u><u> </u>

Since, in the sentence we can see that the action is continuing. Hence its present continuous tense.
The above sentence is about present continuous. Here two actions are happening. One is "listening" and the other is "are singing".

Answer:
Are there
Explanation:
Are There bags under the kitchen counter ?
Answer: A
Explanation:
Nintendo Wii game console, which arrived in the United States six years ago, was such an exciting prospect. It offered the chance for children to get exercise without even leaving the house.
Tennis was one of the games in the Wii Sports software that came right in the box with the console.